. >> the testimony to congress helped convince the government and public although there was always risks nasa could learn from their mistakes and they should go ahead. >> the launch pad disaster may have allowed nasa to get to the moon faster than scheduled. >> we had an opportunity to work from the mistake. with you to accelerate the program. they had a goal to land on the moon by the end of the decade of the 60s. >> apollo 2 or 3, apollo 4, 5 and 6 were undamaged to test the sa safety of the probabling et. took two years before any went into orbit. apollo 7, 1968. >>> the space program was back but the slow re-entry wasn't going to be enough to meet the deadline and beat the soviets. it would require a daring and dramatic change of plan. >> nasa rolls the dice betting everything on number 8. so i introduced jill to crest pro-health for life. selected for people over 50. pro-health for life is a toothpaste that defends against tender, inflamed gums, sensitivity and weak enamel. conditions people over 50 experience. crest pro-health for life. so jill can keep living the good life. crest.